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Finding the Fourth Proportional to 282.54, 423.41 and 160.84

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Solution

The fourth proportional to 282.54, 423.41 and 160.84 is: 241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.54 : 423.41 = 160.84 : x
  2. Step 2: Convert to fraction form
    282.54/423.41 = 160.84/x
  3. Step 3: Cross multiply
    282.54x = 423.41 × 160.84
  4. Step 4: Simplify right side
    282.54x = 68,100.99
  5. Step 5: Solve for x
    x = 68,100.99/282.54
  6. Step 6: Final answer
    x = 241.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.